US2434271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of injection molding ceramic bodies using thermoplastic binder
Assignee: Individual
•
Filing: 1944-08-30
•
Granted: 1948-01-13
•
Expires: 1964-08-30
Abstract
No abstract record available.
Inventors
- 👤 Glenn N Howatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:48
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; B; B29; B29C; B29C45/00; B29C45/0001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1541869A
Cited
US1374493A
Cited
US1977698A
Cited
US2122960A
Cited
US2121018A
Cited
GB489981A
Cited
US2305877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |